*{
	margin: 0;
	padding: 0;
}
.funcBtnDiv {
    position: fixed;
    z-index: 999;
    right: 0;
    top: 0;
}
.funcBtn {
    border: 1px solid #444444;
    border-radius: 4px;
    position: relative;
    outline: none;
    width: 34px;
    height: 34px;
    margin-right: 6px;
    margin-top: 6px;
    background: rgba(42, 42, 42, 0.5);
    background-size: 32px, 32px;
    backgroundRepeat: no-repeat;
    backgroundPosition: center;
}
.funcBtn:hover {
    color: #fff;
    fill: #fff;
    background: #48b;
    border-color: #aef;
    background-size: 32px, 32px;
    box-shadow: 0 0 8px #fff;
}
html,body{
	height: 100%;
	width: 100%;
}
